feat(battle-engine): close the AI-simulation subsystem (verbatim)

Copied the 89 uncopied AI*SimulationUtility/extension files defining the
AIVirtualCard/AIVirtualField extension methods; the compile loop then auto-closed
the revealed type deps (~3049 files total, drift-clean). 10.0k -> 62 errors.

SVSim.BattleEngine/Engine/Wizard/PackSetRotationStarterClassTask.cs

@@ -0,0 +1,31 @@
+namespace Wizard;
+
+public class PackSetRotationStarterClassTask : BaseTask
+{
+	public class PackSetRotationStarterClassTaskParam : BaseParam
+	{
+		public int pack_id;
+
+		public int class_id;
+	}
+
+	public PackSetRotationStarterClassTask()
+	{
+		base.type = ApiType.Type.PackSetRotationStarterClass;
+	}
+
+	public void SetParameter(int packId, int classId)
+	{
+		PackSetRotationStarterClassTaskParam packSetRotationStarterClassTaskParam = new PackSetRotationStarterClassTaskParam();
+		packSetRotationStarterClassTaskParam.pack_id = packId;
+		packSetRotationStarterClassTaskParam.class_id = classId;
+		base.Params = packSetRotationStarterClassTaskParam;
+	}
+
+	protected override int Parse()
+	{
+		int result = base.Parse();
+		_ = 1;
+		return result;
+	}
+}